How did the international agreements of the 1920s lead to a pretense of world peace? (fyi we are learning about wwii)

American loans helped Europe recover from the economic crisis after the war 1.Rebuild industry 2.Increased employment 3.Increased international trade 4.Increased profits 1921-1922 Washington Conference USA, Britain, France, and Japan agreed to limit the size of their navies. (limited the tonnage of battleships--> USA and Britain=5, Japan=3, and France and Italy=1.67 (Unit=hundred thousand tonnes) 1922 Rapallo Treaty The USSR and Germany re-established diplomatic relations